Modbus Tools Modbus Slave Stack-Based Buffer Overflow
Priority LOW 35CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Modbus Tools Modbus Slave (versions 7.4.2 and prior) is vulnerable to a stack-based buffer overflow in the registration field. This may cause the program to crash when a long character string is used.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00964 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Modbus Tools | Modbus Slave | up to 7.4.2 | — | No fix listed | CNA |
- Modbus Slave VendorModbus Tools Affected up to 7.4.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:modbustools:modbus_slave:*:*:*:*:*:*:*:* | before 7.4.3 | Vulnerable | Modbus Tools |
- cpe:2.3:a:modbustools:modbus_slave:*:*:*:*:*:*:*:* Versions before 7.4.3 Vulnerable ·Modbus Tools
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1068
- 2026-10-03 Alias added: GHSA-23h3-jvqq-m7vh
References
More Modbus Tools Modbus Slave vulnerabilities
- TI-2018-13275 Modbus Slave 7.0.0 in modbus tools has a Buffer Overflow. CVSS 3.0HIGH 7.5
- TI-2022-04449 Modbus Tools Modbus Slave mbs File mbslave.exe buffer overflow CVSS 3.1HIGH 7.8
Sources
- CVE-2022-1068 · CVE Program
- CVE-2022-1068 · NVD
- FIRST EPSS
- GHSA-23h3-jvqq-m7vh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences